Yukuo defines a beautiful, gorgeous, arrogant and smells very good. If a girl is Yukuo, and you met her, you're the luckiest guy in the world, perhaps universe. In addition, Yukuo means kind, lovable and very very cute. A Yukuo has a lovely eyes and lips. Yukuo is absolutely the term when you had a girl with all of that characteristics. Btw, the perfect partner of Yukuo is Harvey. :)

I met a Yukuo girl, and I'm the luckiest
I wish Im an Harvey, and i'll met a Yukuo someday